NVLAP Lab Code 500077-0 Report Number: Model: PL08597-001A ZR24M-40L-35K-10V-FD Date: 6/21/2016 Cree Engineering Services Testing Laboratory (CESTL) Photometric Testing and Evaluation Report Prepared For: Jonathan Vollers Cree, Inc 4600 Silicon Drive Durham, NC 27703 Prepared By: Approved By: April Gressel, Photometric Technician Christopher McLaurin, Photometric Specialist C r e e, I n c 4 6 0 0 S i l i c o n D r i v e D u r h a m, N C 2 7 7 0 3 Page 1 of 12 This report contains data that are not covered by the NVLAP accreditation. This report also contains goniometric data that was produced under subcontract by Cree Durham Technology Center, NVLAP Lab Code 500070-0.
NVLAP Lab Code 500077-0 Product Information Manufacturer Model Number (SKU) Serial Number LED Type Cree Inc ZR24M-40L-35K-10V-FD WK191A02903 XH-G2 Product Description 2 x 4 Troffer with a white painted aluminum reflector and body, and curved diffuse lens. Driver Information (Where Applicable) Integral Length Width 48 24 Sample The following sample was submitted for evaluation C r e e, I n c 4 6 0 0 S i l i c o n D r i v e D u r h a m, N C 2 7 7 0 3 Page 2 of 12
NVLAP Lab Code 500077-0 Key Photometric Data Sphere Output Goniophotometer Luminous Flux 4051.0 4009.1 lm Efficacy 131.14 129.79 lm/w Correlated Color Temperature (CCT) 3436 K Color Rendering Index (CRI) 83 R 9 15 Duv 0.000258 S/P Ratio* 1.47 Sphere Goniophotometer Electrical Measurements 120V 277V 120V 277V Input Wattage 30.89 30.59 30.89 30.56 W Input Current 0.26 0.12 0.26 0.12 A Input Voltage 120.10 277.02 119.97 277.07 V Power Factor 0.991 0.927 0.990 0.924 Off-State Power 0 0 0 0 W Total Harmonic Distortion (Voltage) 0.04 0.05 0.06 0.06 % Total Harmonic Distortion (Amperage) 8.03 17.47 8.24 17.26 % Note: All photometric measurements taken at 120VAC. Luminous Intensity Distribution Goniophotometer Maximum Candela 1279.4 Cd Horizontal Angle of Max Candela 67.5 Vertical Angle of Max Candela 2.5 Zonal Lumens (0 30 ) 984.5 (24.6) lm (%) Zonal Lumens (0 40 ) 1619.3 (40.4) lm (%) Zonal Lumens (0 60 ) 2927.8 (73) lm (%) Zonal Lumens (60 90 ) 1081.3 (27) lm (%) Color Angular Uniformity NA Key Test Parameters Sphere Output Goniophotometer Stabilization Time 36 30 min Total Operating Time (Stabilization + Test) 36 50 min Ambient Temperature 25.4 25.2 C C r e e, I n c 4 6 0 0 S i l i c o n D r i v e D u r h a m, N C 2 7 7 0 3 Page 3 of 12
NVLAP Lab Code 500077-0 Chromaticity Coordinates x y u v u v Duv 0.4091 0.3931 0.2372 0.3419 0.2372 0.5128 0.000258 Color Rendering Index Details Ra R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 83 81 88 93 82 81 83 86 66 15 71 81 62 83 96 Chromaticity Diagram C r e e, I n c 4 6 0 0 S i l i c o n D r i v e D u r h a m, N C 2 7 7 0 3 Page 4 of 12
Spectral Distribution NVLAP Lab Code 500077-0 λ(nm) W/nm λ(nm) W/nm λ(nm) W/nm 360 0.000219 530 0.047709 700 0.012311 370 0.000199 540 0.051781 710 0.009140 380 0.000156 550 0.055737 720 0.006799 390 0.000130 560 0.059803 730 0.004957 400 0.000157 570 0.064087 740 0.003560 410 0.000453 580 0.068104 750 0.002616 420 0.002608 590 0.071641 760 0.001932 430 0.010456 600 0.073752 770 0.001433 440 0.031708 610 0.072651 780 0.001062 450 0.067137 620 0.068653 790 0.000823 460 0.029339 630 0.062024 800 0.000607 470 0.016449 640 0.053731 810 0.000483 480 0.013329 650 0.044730 820 0.000376 490 0.017416 660 0.036375 830 0.000299 500 0.027133 670 0.028382 510 0.036046 680 0.021758 520 0.043031 690 0.016585 Dominant Wavelength 581 nm Peak Wavelength: 603 nm Spectral Power Distribution (W/nm) C r e e, I n c 4 6 0 0 S i l i c o n D r i v e D u r h a m, N C 2 7 7 0 3 Page 5 of 12
Zonal Lumen Summary ** NVLAP Lab Code 500077-0 Zone Lumens % of Total Zone Lumens % of Total 0-5 30.1 0.8% 90-95 0 0% 5-10 89.4 2.2% 95-100 0 0% 10-15 145.6 3.6% 100-105 0 0% 15-20 197.2 4.9% 105-110 0 0% 20-25 242.4 6.0% 110-115 0 0% 25-30 279.7 7.0% 115-120 0 0% 30-35 308.1 7.7% 120-125 0 0% 35-40 326.7 8.1% 125-130 0 0% 40-45 335.6 8.4% 130-135 0 0% 45-50 335.3 8.4% 135-140 0 0% 50-55 326.6 8.1% 140-145 0 0% 55-60 311.1 7.8% 145-150 0 0% 60-65 288.8 7.2% 150-155 0 0% 65-70 258.7 6.5% 155-160 0 0% 70-75 220.7 5.5% 160-165 0 0% 75-80 173.3 4.3% 165-170 0 0% 80-85 107.7 2.7% 170-175 0 0% 85-90 32.0 0.8% 175-180 0 0% Total 4009.1 lm 100% Spacing Criteria ** Spacing Criterion (0-180) 1.22 Spacing Criterion (90-270) 1.32 Spacing Criterion (Diagonal) 1.42 C r e e, I n c 4 6 0 0 S i l i c o n D r i v e D u r h a m, N C 2 7 7 0 3 Page 6 of 12
NVLAP Lab Code 500077-0 Candela Plots ** Isofootcandle Plot ** C r e e, I n c 4 6 0 0 S i l i c o n D r i v e D u r h a m, N C 2 7 7 0 3 Page 7 of 12
Candela Tabulations ** NVLAP Lab Code 500077-0 0 22.5 45 67.5 90 0 1262 1262 1262 1262 1262 2.5 1234 1255 1265 1279 1267 5 1230 1251 1261 1276 1263 7.5 1223 1243 1253 1269 1257 10 1213 1232 1244 1260 1248 12.5 1200 1219 1232 1247 1237 15 1184 1204 1217 1233 1225 17.5 1165 1185 1200 1218 1210 20 1144 1165 1181 1201 1194 22.5 1119 1141 1160 1181 1174 25 1092 1115 1136 1159 1153 27.5 1062 1086 1110 1134 1131 30 1031 1053 1081 1109 1107 32.5 995 1019 1051 1081 1081 35 958 982 1019 1051 1053 37.5 918 944 985 1021 1023 40 877 903 950 988 993 42.5 834 862 914 955 962 45 789 818 877 922 931 47.5 743 774 839 888 899 50 696 728 800 854 867 52.5 648 683 761 820 835 55 599 638 724 786 803 57.5 550 593 686 754 772 60 501 548 648 720 740 62.5 452 503 609 686 707 65 402 458 570 650 671 67.5 353 413 530 610 631 70 304 369 489 568 587 72.5 257 326 446 522 539 75 211 282 401 471 486 77.5 167 240 352 415 426 80 126 198 299 343 343 82.5 89 156 231 246 241 85 55 111 146 148 141 87.5 26 54 63 59 55 90 0 0 0 0 0 C r e e, I n c 4 6 0 0 S i l i c o n D r i v e D u r h a m, N C 2 7 7 0 3 Page 8 of 12
NVLAP Lab Code 500077-0 Candela Tabulations (Continued) ** 0 22.5 45 67.5 90 92.5 0 0 0 0 0 95 0 0 0 0 0 97.5 0 0 0 0 0 100 0 0 0 0 0 102.5 0 0 0 0 0 105 0 0 0 0 0 107.5 0 0 0 0 0 110 0 0 0 0 0 112.5 0 0 0 0 0 115 0 0 0 0 0 117.5 0 0 0 0 0 120 0 0 0 0 0 122.5 0 0 0 0 0 125 0 0 0 0 0 127.5 0 0 0 0 0 130 0 0 0 0 0 132.5 0 0 0 0 0 135 0 0 0 0 0 137.5 0 0 0 0 0 140 0 0 0 0 0 142.5 0 0 0 0 0 145 0 0 0 0 0 147.5 0 0 0 0 0 150 0 0 0 0 0 152.5 0 0 0 0 0 155 0 0 0 0 0 157.5 0 0 0 0 0 160 0 0 0 0 0 162.5 0 0 0 0 0 165 0 0 0 0 0 167.5 0 0 0 0 0 170 0 0 0 0 0 172.5 0 0 0 0 0 175 0 0 0 0 0 177.5 0 0 0 0 0 180 0 0 0 0 0 C r e e, I n c 4 6 0 0 S i l i c o n D r i v e D u r h a m, N C 2 7 7 0 3 Page 9 of 12
NVLAP Lab Code 500077-0 Integrating Sphere Equipment List Description Manufacturer Model Serial Number 3M Sphere Labsphere CSTM-CSLMS-3M98-HDS 82456 CCD Array Spectrometer Otsuka MC-9801 98010165 Programmable AC Source Chroma 61603 616030000761 Single Channel Power Analyzer Xitron 2801 28011110008 Aux Lamp Power Supply Labsphere LPS-100-0833 1002104538 Goniophotometer Equipment List Description Manufacturer Model Serial Number AC Power Source Adaptive FC210 2300229 AC Power Source Elgar CW1251 1126A06399 Type C Goniophotometer LSI / UL 6440T 6440TE0192T Spectroradiometer Gooch & Housego 770VIS/NIR 11414155 Power Meter Yokogawa WT210 91L220953 Test Methods Used: Title ANSI C82.77:2002 CIE Pub. 13.3:1995 CIE Pub. 15:2004 IES LM-58:1994 IES LM-65:2001 IES LM-79:2008 Description Harmonic Emission Limits- Related Power Quality Reqt s for Lighting Equipment Method of Measuring and Specifying Color Rendering of Light Sources Colorimetry Spectroradiometric Measurements Single-Ended Compact Fluorescent Lamps Life Test Performance Electrical and Photometric Measurements of Solid-State Lighting Products Reference Standard Used: Equipment 3m Sphere Type C Goniophotometer Description Tungsten Halogen Omni-Directional 75W Calibration Lamp, Serial Number K142 Tungsten Halogen Omni-Directional 500W Calibration Lamp, Serial Number 97A C r e e, I n c 4 6 0 0 S i l i c o n D r i v e D u r h a m, N C 2 7 7 0 3 Page 10 of 12
Disclaimers: NVLAP Lab Code 500077-0 This report must not be used by the customer to claim product certification, approval or endorsement by NVLAP, NIST or any agency of the federal government. The results contained in this report pertain only to the tested sample. This report shall not be reproduced, except in full, without written approval of the CESTL. * Items marked with a single asterisk are not covered by the NVLAP accreditation. In the event that the recorded temperature is outside of 25 ± 1 C, this is considered a non-standard condition. ** In the event that testing is subcontracted, test results in this report marked with the symbol **, or noted as Goniophotometer, were performed by the subcontracted laboratory identified in the footer on the first page of this report. Subcontracted testing is strictly goniophotometer based. All other tests are performed using an integrating sphere. The goniophotometer information in the equipment list, report items marked with **, or results specifically identified as Goniophotometer, are the actual equipment used, and test results produced, by the subcontracted laboratory. Additional Comments: This luminaire was tested in the base up orientation. Sphere picture Goniophotometer Picture C r e e, I n c 4 6 0 0 S i l i c o n D r i v e D u r h a m, N C 2 7 7 0 3 Page 11 of 12
Document Revision History: NVLAP Lab Code 500077-0 Each subsequent revision of this report replaces the preceding report. Date Rev DCN # Change at the time of this test By Approval 06/21/16 A DMS Origination A. Gressel C. McLaurin C r e e, I n c 4 6 0 0 S i l i c o n D r i v e D u r h a m, N C 2 7 7 0 3 Page 12 of 12